@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;
    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 222.2 84% 4.9%;
    --primary: 221.2 83.2% 53.3%;
    --primary-foreground: 210 40% 98%;
    --secondary: 210 40% 96.1%;
    --secondary-foreground: 222.2 47.4% 11.2%;
    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;
    --accent: 210 40% 96.1%;
    --accent-foreground: 222.2 47.4% 11.2%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;
    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 221.2 83.2% 53.3%;
    --radius: 0.5rem;
  }

  .dark {
    --background: 222.2 84% 4.9%;
    --foreground: 210 40% 98%;
    --card: 222.2 84% 4.9%;
    --card-foreground: 210 40% 98%;
    --popover: 222.2 84% 4.9%;
    --popover-foreground: 210 40% 98%;
    --primary: 217.2 91.2% 59.8%;
    --primary-foreground: 222.2 47.4% 11.2%;
    --secondary: 217.2 32.6% 17.5%;
    --secondary-foreground: 210 40% 98%;
    --muted: 217.2 32.6% 17.5%;
    --muted-foreground: 215 20.2% 65.1%;
    --accent: 217.2 32.6% 17.5%;
    --accent-foreground: 210 40% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 210 40% 98%;
    --border: 217.2 32.6% 17.5%;
    --input: 217.2 32.6% 17.5%;
    --ring: 224.3 76.5% 48%;
  }
}

@layer base {
  * {
    @apply border-border;
  }
  body {
    @apply bg-background text-foreground;
  }
}

.react-flow__node {
  cursor: pointer;
}

.react-flow__handle {
  opacity: 0;
  transition: opacity 0.3s;
}

.react-flow__node:hover .react-flow__handle,
.react-flow__node.selected .react-flow__handle {
  opacity: 1;
}

.react-flow__edge-path {
  stroke-width: 2;
}

.react-flow__minimap {
  border-radius: 0.5rem;
  overflow: hidden;
}

/* 卡片节点样式 */
.card-node {
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  padding: 0.75rem;
  background-color: white;
  border-top: 4px solid currentColor;
}

/* 为不同颜色的卡片设置样式 */
.bg-blue-100.card-node {
  border-top-color: #3b82f6;
}

.bg-green-100.card-node {
  border-top-color: #10b981;
}

.bg-red-100.card-node {
  border-top-color: #ef4444;
}

.bg-yellow-100.card-node {
  border-top-color: #f59e0b;
}

.bg-purple-100.card-node {
  border-top-color: #8b5cf6;
}

/* AI聊天面板样式 */
.ai-chat-panel {
  transition: height 0.3s ease;
  overflow: hidden;
}

.ai-chat-panel.collapsed {
  height: 3rem;
}

.ai-chat-panel.expanded {
  height: 300px;
}

.ai-chat-messages {
  max-height: 220px;
  overflow-y: auto;
}

.ai-message {
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  max-width: 80%;
}

.ai-message.user {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  margin-left: auto;
  border-bottom-right-radius: 0.25rem;
}

.ai-message.assistant {
  background-color: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  margin-right: auto;
  border-bottom-left-radius: 0.25rem;
}
